Peng Liu received B.S., M.S., and the Ph.D. degrees from the College of Computer Science and Technology, Jilin University, China, in 2013, 2016, and 2019, respectively. He is currently a Lecturer with the College of Information and Computer Engineering, Northeast Forestry University, Harbin, China. His main research interests include mobile cloud computing, mobile edge computing, edge caching, and the Internet of Things.